var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
// 解决跨域问题
let cors=require("cors")

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var courseRouter = require('./routes/course');
var loginRouter = require('./routes/login');
var personalCenterRouter = require('./routes/personalCenter');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

// 使用
app.use(cors())
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());

app.use("/public",express.static(path.join(__dirname, 'public')));
app.use("/uploads",express.static(path.join(__dirname, 'uploads')));

app.use('/api', indexRouter);
app.use('/users', usersRouter);
app.use('/api',courseRouter)
app.use('/api',loginRouter)
app.use('/api',personalCenterRouter)

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  // next(createError(404));
  res.status(404)
  res.send({
    status:404,
    msg:"404页面不存在"
  })
});

// error handler
app.use(function(err, req, res, next) {
  //  res.status(500)
  res.send({
    status:500,
    msg:err
  })
});

module.exports = app;
